Apparatus for reheating glass.



PATENTED AUG. 21, 1906.

P. EBELING. APPARATUS FOR RBHEATING GLASS.

APPLICATION FILED MAR.11,1905.

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PATENTED AUG. 21, 1906.

P. EBELING. APPARATUS FOR REHEATING GLASS.

APP T ILED 1W M/ a Q PATENTED AUG. 21, 1906.

P. BBELING. APPARATUS FOR REHEATING GLASS.

APIPLIOATION EILHED MAR 1- 5 SHEETSSHBET 3.

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No. 829,196. PATENTED AUG. 21,190; REBBLING.

APPARATUS FOR REHBATING GLASS.

APPLICATION FILED MAR.-11,1905.

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No. 829,196. v IATENTED AUG. 21, 1906. P.EBELING.

APPARATUS FOR REHEATING- GLASS. 7

APPILIUATION FILED MAB-11,1906.

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UNITED STATES PATENT OFFICE.

APPARATUS FOR REHEATING GLASS- Specification of Letters Patent.

Patented Aug. 21, 1906.

Application filed March 11, 1905- Serial N0. 249,540-

To all whom, it may concern:

Be it known that I, PHILLIP EBELING, a citizen of the United States,residing at Moundsville, in the county of Marshall and State of WestVirginia, have invented certain new and useful Improvements in Apparatusfor Reheating Glass, of which the following is a specification,reference being had therein to the accompanying drawings.

This invention relates to apparatus for reheating glass; and itconsists, primarily, in a novel assemblage of cooperating glass-heatingburners which are so arranged as to thoroughly reheat the glass withoutinjury thereto.

The invention may be utilized for fire-finishing and glazing glassware,in which use the burners cooperate in such manner that the shape of thearticle is preserved during the reheating operation without beingrotated, as has been necessary heretofore. The reheating apparatus maybe variously utilized in addition to fire-finishing, one of such usesbeing the reheating of pressed blanks between the operations of pressingand blowing, as in those methods of manufacture wherein the glass isfirst pressed to form a blank and then completed by blowing.

A further object is to provide a reheatingburner of novel construction.

Still a further object is to provide improved means for cooling thereheated glass in such operations as fire-finishing where cooling isnecessary.

In the accompanying drawings, Figure l is a side elevation, partly insection, of apparatus for fire-finishing blanks br cut glass. Fig. 2 isa front elevation, partly in section, and Fig. 3 a top plan view, of thesame. Fig. 4 is an enlarged cross-sectional view of the burner. Figs. 5and 6 are detail views of the blanksupporting ring. Fig. 7 is a sideelevation, partly in section, of apparatus for fire-finishing pressedware; and Fig. 8 is an end view, partly in section, of the same. Fig. 9is a side elevation, partly in section, of apparatus de signedespecially for fire-finishing Stemware; and Fig. 10 is a plan view ofthe same. Fig. 11 is a vertical section of apparatus, showing anadaptation of the invention for reheating.

pressed blanks preparatory to blowing and Fig. 12 is a plan view of thesame.

As reheating-burners 2 of like construction are employed in the severaladaptations of the invention herein shown and described, I will firstdescribe the burner in detail. Each burner consists, preferably, of amixing-chamber 3, having its inlet provided with a gas,

connection 4 and an air connection 5, having a double hose-receiver 5.Chamber 3 is connected by contracted orifice 6 with a combustion-chamber7 of globular form for the purpose of thoroughly mixing and reflectingthe ignited gases which are emitted from the burner-orifice 7 in aswirling manner, so as to completely envelop the portion of the articleagainst which they are projected. Within chamber-connecting orifice 6 isa longitudinally-adjustable deflector 8 of plug-like form, held in placeby screws 6 and operating to thoroughly mix the air and gas passingtherearound and at the same time control.

. which opens downwardly, is secured to standard 10 by bracket 12,adjustably held by yoke-clamp 13. A second burner 2, beneath and in linewith the first-mentioned burner and opening upwardly, is adjustablysecured to standard 10 by bracket 12. Adjustably secured to standard 11are the alining downwardly and upwardly opening air-blast pipes 14,having their inlet ends provided with double hose connections 14. Ahorizontal table rotatable on standard 15 is utilized for presenting thearticles for fire-finishing, the table consisting of radially-arrangedarms 16, each having at its outer end an open circular holder 16. Thetable-axis is equidistant from the center lines of the burners andairpipes, respectively, so that by turning the table a blank is carriedfrom between the burners to position between the blast-pipes. Fittingthe upper face of each holder 16 isaremovable ring 17, and adapted torest thereon on edge and in inverted position is the molded glass blank18. Ring or holder 17 is removable, so that others of different size orshape may be used, according to the size or shape of the blank to befire-finished. With the blank thus positioned the table is so turned asto place it between burners 2,where it remains until sufficiently heatedto secure the desired fire finish or olish.

It has been propose heretofore to firepolish the interior of hollowglass articles by sustaining them in upright position and projecting adownwardly-directed flame thereinto, apparatus of this character beingdisclosed in patent to O. J. Nolan, No. 766,193, August 2, 1904. Whenoperating such apparatus, it is necessary to rotate the article and toproject cold air against its outer surface in order to counteract thedistorting or flattening-out tendency of the softened glass. With thehollow article inverted and the re heating-flame projected upwardlythereinto, as herein proposed, there is no appreciable distortingtendency, this being due to the position in which the glass is held, andany such tendency that may exist is counteracted by the sustaining forceor pressure of the upwardlyprojected flame. The operation may besomewhat more effective with the opposing burners acting simultaneously,and, if so, it is because the flame from each burner counteracts thedestructive tendency of the other; but however this may be I do notconsider it of suflicient importance to make absolutely necessary theoperation of both burners at the same time, although the work is greatlyfacilitated by such operation, as

' thereby the inner and outer surfaces are firefinished simultaneously.Every portion of the blank is thoroughly reheated and firefinished orpolished, save the edge or edges upon which it rests; but as the latterare cut or reshaped in the subsequent operation of producing a cut-glassarticle the absence of fire-finish-from the edges is no detriment. Afterthe article is sufficiently reheated the table is turned so as to bringit between pipes 14, where it is subjected to opposing cooling-blasts,whereby all portions of the article are cooled uniformly andsimultaneously. As the blanks are still hot from the forming operationwhen they are presented for fire-finishing, they may be convenientlypositioned by means of a handlifted rod 19, having a plate-like head 19,upon which the inverted blank is hung and lowered onto ring 17 at thestation adjacent burners 2. A similar lifting device 20 may be utilizedfor removing the fire-finished blanks at the station adjacent thecooling mechanism. Devices 19 and 20 may be conveniently supported bybrackets 15, projecting from standard 15.

The apparatus shown in Figs. 7 v and 8 is designed especially forfire-finishing pressed glass dishes and similar articles and is shownprovided with four burners 2, so arranged as to project their flamestoward a common point. Two of the burners are arranged and operate thesame as in the construction of Figs. 1, 2, and 3, and two additionalburners may be arranged horizontally at opposite sides, so that flamesare projected against the article from above, below, and from the sides.It is necessary to thoroughly fire-finish the sides and edge or edges ofpressed ware, and hence a holder is provided consisting of ahand-operated rod 21, having its upturned extremity provided with'aplate-like head 22, upon which the article 18 is placed in invertedposition, as shown. While this form of holder prevents the inner surfaceof the bottom from becoming thoroughly firefinished, such deficiency isnot objectionable in ware of this character. The sides and edges arefreely suspended, and there is nothing to prevent them from becomingcompletely enveloped by the flames and thoroughly fire-finished.Supporting-rod 21 may be conveniently sustained upon a standard 23,which is placed a suflicient distance from the burners to admit of theopposite blastpipes 14 being placed in such position with relation tothe burners that as the reheated article is withdrawn from the latter itis brought to position between the blast-pipes and thoroughly cooled. Inthis embodiment of the invention the four burners may be used, as shown,or only some of them, and it is obvious that the cooling portion of theap paratus may be differently arranged and located.

The mechanism shown in Figs. 9 and 10 is arranged with special referenceto fire-finishing stemmed ware, a goblet 24 being shown, although otherarticles of stem formation may be similarly treated. In this adaptationopposing upper and lower burners are utilized, and a third burner ispositioned at one side, so as to discharge its flames between thevertical burners and toward the open end of the article for glazing theedge thereof and fire-finishing the interior. To prevent injuring theedge, this horizontal burner is preferably adjusted for a lower heatthan the vertical burners. The goblet or other article may be supportedby a snap 25 of usual construction, and blast-pipes 14 may be arrangedin the same relation to the burners as in the construction of Figs. 7and 8, so that the fire-finished article is positioned between saidpipes as it is withdrawn from the burners.

In those methods of manufacture wherein the glass is first pressed toform a blank and then blown it is desirable to provide for re heating'the same between the pressing and blowing operations. The principlesunderlying my invention may be readily utilized for this purpose, anadaptation thereof being shown in Figs. 11 and 12. Referring thereto, 26designates a horizontally-rotating table which carries a series of moldor neck rings 27, which are adapted to cooperate successively withpress-mold 28 and blow-mold 29, supported, respectively, on brackets 28and 29, projecting from uprights 30 and 31. 32 designates plunger orpressing mechanism supported on upright 30, and 33 the blowinghead andattending mechanism supported by upright 31. The ressing and blowingmechanism are of usua construction, and no novelty is claimed therefor.As table 26 is turned for the purpose of transferring the pressed blank34 from the press-mold to the blow-mold the blank is brought to positionbetween the opposing vertical burners 2, arranged much as in theconstruction of Figs. 1, 2, and 3, the main difference being that theupper burner is preferably smaller than the lower burner, as less heatis required from above than from below. The interior and exteriorsurfaces of the blank, chilled by contact with the plunger and mold, arethus effectually reheated by the opposing burners, each of whichcounteracts any tendency of the other toward distorting the reheated andsoftened glass, and with the apparatus arranged as shown the reheatingis accomplished as the blank is moved from the pressmold to theblow-mold and without removing it from the carrier.

While the several forms of apparatus herein shown and described contain.burners so arranged as to project their flames against the articles tobe heated or reheated, the invention is not limited in regard to theheating agency, and hence it Wlll be understood that other and differentforms of devices may be used for heating the articles without departingfrom the spirit and scope thereof.

I claim 1. Apparatus for reheating hollow glass articles comprising aplurality ofheating devices arranged with a space therebetween toreceive the article, and a support arranged to so sustain an articlebetween the heating devices that the inner and outer surfaces there ofare heated.

2. Apparatus for reheating hollow glass articles comprising a pluralityof burners arranged to project their flames in different directions witha space between the burners to receive a glass article, and a supportarranged to so sustain a hollow grass article be tween the burners thatthe entire inner and outer surfaces thereof are enveloped by theburner-flames.

Apparatus for reheating hollow glass articles comprising two burnersarranged to project their flames in. different directions, and a supportarranged to so sustain a hollow glass article that the flame from oneburner is projected against the interior surface of the article and theflame from the other burner against the exterior surface thereof.

4. Apparatus for reheating hollow glass articles comprising separatedburners arranged, respectively, to project their flames downwardly andupwardly, and a support arranged to sustain a hollow article with itsinterior in line with one of the burners and its exterior in line withthe other burner.

5. Apparatus for reheating hollow glass articles comprising a supportadapted to sustain a hollow article with its concavity open from below,and means for projecting a flame upp'ard directly into the concavity ofthe ar tic e.

6. Apparatus for reheating hollow glass articles comprising a supportadapted to sustain a hollow article with its concavity open from below,means for projecting a flame upwardly into the concavity of the article,and means for heating the exterior of the article.

7. Apparatus for reheating glass articles comprising separated upwardlyand 'downwardly disposed heating devices, an articlesupport movablehorizontally between said devices with the upper and lower surfaces ofthe supported article exposed to said heating devices respectively.

. 8. Apparatus for reheating glass articles comprisingvertically-separated heating devices, vertically-separated coolingdevices, and an article-support movable horizontally between the heatingand cooling devices with the upper and lower surfaces, respectively, ofthe supported article exposed successively to the heating and coolingdevices.

9. The combination of. glassreheating means, and cooling meansconsisting of se a rated downwardly and upwardly discharging air-pipeswith space therebetween for the reheated glass.

- 10. Glassreheating apparatus comprising separated burners having spacetherebetween for a glass article, separated cooling-blast discharges,and movable supporting means for sustaining the glass between theburners and between. the cooling-blast discharges and for moving thesame from one of said positions to the other.

11. Glass-reheating apparatus comprising a vertically-open support uponwhich an inverted hollow article is adapted to rest on edge, and meansfor heating the interior of the article.-

12. A fire-finishing machine comprising a traveling holder having anapertured bottom plate, and burners or furnaces above and below theholder.

In testimony whereof I aflix' my signature in presence of two witnesses.

PHILLIP EBELING.

Witnesses:

J. M. NEsBIT, VINNIE M. MYERS.

